surreptitious /sur-əp-tishˈəs/

1. Done by stealth or fraud
2. Stealthy

• loaminesses
• loaming
• loams
• loamy
• loan
• loanable
• loanback
• loanbacks
• loan collection
• loan collections
• lo and behold
• loaned
• loanee
• loanees
• loaner
• loaners
• loan-holder
• loan-holders
• loaning
• loanings
• loan-office
• loan-offices
• loans
• loan shark
• loan sharking